Operator: London Overground
Previous Calling Points:
| 18:30 | Watford Junction | On time |
| 18:33 | Watford High Street | On time |
| 18:30 | Watford Junction | On time |
| 18:33 | Watford High Street | On time |
| 17:57 | London Euston | On time |
| 18:02 | South Hampstead | On time |
| 18:04 | Kilburn High Road | On time |
| 18:07 | Queens Park (London) | On time |
| 18:09 | Kensal Green | On time |
| 18:12 | Willesden Junction | On time |
| 18:14 | Harlesden | On time |
| 18:16 | Stonebridge Park | On time |
| 18:19 | Wembley Central | On time |
| 18:21 | North Wembley | On time |
| 18:23 | South Kenton | On time |
| 18:25 | Kenton | On time |
| 18:28 | Harrow & Wealdstone | On time |
| 18:31 | Headstone Lane | On time |
| 18:33 | Hatch End | On time |
| 18:36 | Carpenders Park | Unknown |
| 18:24 | London Euston | On time |
| 18:36 | Harrow & Wealdstone | Unknown |
| 17:58 | Milton Keynes Central | On time | |
| 18:03 | Bletchley | On time | |
| 18:10 | Leighton Buzzard | On time | |
| 18:14 | Cheddington | On time | |
| 18:21 | Tring | On time | |
| 18:26 | Berkhamsted | Delayed | actual 18:28 |
| 18:30 | Hemel Hempstead | Delayed | actual 18:35 |
| 18:34 | Apsley | Unknown | |
| 18:37 | Kings Langley | Unknown | |
| 18:42 | Watford Junction | Unknown |
| 18:48 | Watford Junction | Unknown |
| 18:51 | Watford High Street | Unknown |
| 18:39 | London Euston | Unknown |
| 18:51 | Harrow & Wealdstone | Unknown |
| 18:14 | London Euston | On time |
| 18:19 | South Hampstead | On time |
| 18:21 | Kilburn High Road | On time |
| 18:24 | Queens Park (London) | On time |
| 18:26 | Kensal Green | On time |
| 18:29 | Willesden Junction | On time |
| 18:31 | Harlesden | On time |
| 18:33 | Stonebridge Park | On time |
| 18:36 | Wembley Central | Unknown |
| 18:38 | North Wembley | Unknown |
| 18:40 | South Kenton | Unknown |
| 18:42 | Kenton | Unknown |
| 18:45 | Harrow & Wealdstone | Unknown |
| 18:48 | Headstone Lane | Unknown |
| 18:50 | Hatch End | Unknown |
| 18:53 | Carpenders Park | Unknown |
| 19:00 | Watford Junction | Unknown |
| 19:03 | Watford High Street | Unknown |
| 18:27 | London Euston | On time | |
| 18:32 | South Hampstead | Delayed | actual 18:34 |
| 18:34 | Kilburn High Road | Unknown | |
| 18:37 | Queens Park (London) | Unknown | |
| 18:39 | Kensal Green | Unknown | |
| 18:42 | Willesden Junction | Unknown | |
| 18:44 | Harlesden | Unknown | |
| 18:46 | Stonebridge Park | Unknown | |
| 18:49 | Wembley Central | Unknown | |
| 18:51 | North Wembley | Unknown | |
| 18:53 | South Kenton | Unknown | |
| 18:55 | Kenton | Unknown | |
| 18:58 | Harrow & Wealdstone | Unknown | |
| 19:01 | Headstone Lane | Unknown | |
| 19:03 | Hatch End | Unknown | |
| 19:06 | Carpenders Park | Unknown |
| 18:54 | London Euston | Unknown |
| 19:06 | Harrow & Wealdstone | Unknown |